Just Because: The Diet Dr. Pepper Guy's Public Shirtless Workout

Not to be outdone by the shirtless workout Superman himself (Henry Cavill) shared earlier this week is Josh Button, a.k.a. the spokesmodel for Diet Dr. Pepper, who conducted a shirtless workout outdoors today (and totally had no idea the paparazzi would be there).

In case you haven't seen it yet, here's the Diet Dr. Pepper guy in action: